Top 80+ Solved Control System MCQ Questions Answer
Q. In force-voltage analogy, velocity is analogous to
a. current
b. charge
c. inductance
d. capacitance
Q. In thermal-electrical analogy charge is considered analogous to
a. heat flow
b. reciprocal of heat flow
c. reciprocal of temperature
d. temperature
Q. The transient response of a system is mainly due to
a. inertia forces
b. internal forces
c. stored energy
d. friction
Q. signal will become zero when the feedback signal and reference signs are equal.
a. Input
b. Actuating
c. Feedback
d. Reference
Q. A signal other than the reference input that tends to affect the value of controlledvariable is known as
a. disturbance
b. command
c. control element
d. reference input
Q. The transfer function is applicable to which of the following ?
a. Linear and time-in variant systems
b. Linear and time-variant systems
c. Linear systems
d. Non-linear systems
Q. From which of the following transfer function can be obtained ?
a. Signal flow graph
b. Analogous table
c. Output-input ratio
d. Standard block system
Q. is the reference input minus the primary feedback.
a. Manipulated variable
b. Zero sequence
c. Actuating signal
d. Primary feedback
Q. With feedback _____ increases.
a. system stability
b. sensitivity
c. gain
d. effects of disturbing signals
Q. By which of the following the system response can be tested better ?
a. Ramp input signal
b. Sinusoidal input signal
c. Unit impulse input signal
d. Exponentially decaying signal
Q. The phase lag produced by transportation relays
a. is independent of frequency
b. is inverseh'proportional to frequency
c. increases linearly with frequency
d. decreases linearly with frequency
Q. In a stable control system saturation can cause which of the following ?
a. Low-level oscillations
b. High-level oscillations
c. Conditional stability
d. Overdamping
Q. Which of the following can be measured by the use of a tacho-generator ?
a. Acceleration
b. Speed
c. Speed and acceleration
d. Displacement
Q. is not a final control element.
a. Control valve
b. Potentiometer
c. Electro-pneumatic converter
d. Servomotor